1 Feline stomatitis is a severe, painful inflammation of a catâs mouth and gums. 2  Dental disease, certain viruses, and some other inflammatory conditions can cause feline stomatitis.  The long-term outcome can vary. Many cats require long-term treatment to control the condition.
Vaccine Adverse Event Reporting System. The Vaccine Adverse Event Reporting System (VAERS) is a United States program for vaccine safety, co-managed by the U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA).
Adverse reactions to vaccination have been recognized for years, and were commonly seen in several human vaccines including polio and smallpox vaccines. Adverse reactions to vaccines also occur in cats and dogs.dverse effects from vaccinations can vary with the type of vaccine used, and the age and breed of animal vaccinated. Anaphylaxis and the development of a fibrosarcoma are the most serious reactions to vaccines.